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302131000033 = 1092771844037
BaseRepresentation
bin1000110010110000110…
…10010011001011100001
31001212212000210001020021
410121120122103023201
514422231014000113
6350444055513441
730554042061412
oct4313032231341
91055760701207
10302131000033
11107151089155
124a67b088881
132264c481985
14108a217b809
157cd47eb48d
hex46586932e1

302131000033 has 4 divisors (see below), whose sum is σ = 304902844180. Its totient is φ = 299359155888.

The previous prime is 302131000019. The next prime is 302131000091. The reversal of 302131000033 is 330000131203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 270387520144 + 31743479889 = 519988^2 + 178167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-302131000033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302130999980 and 302131000016.

It is not an unprimeable number, because it can be changed into a prime (302131000133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385921910 + ... + 1385922127.

It is an arithmetic number, because the mean of its divisors is an integer number (76225711045).

Almost surely, 2302131000033 is an apocalyptic number.

It is an amenable number.

302131000033 is a deficient number, since it is larger than the sum of its proper divisors (2771844147).

302131000033 is a wasteful number, since it uses less digits than its factorization.

302131000033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771844146.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 302131000033 its reverse (330000131203), we get a palindrome (632131131236).

The spelling of 302131000033 in words is "three hundred two billion, one hundred thirty-one million, thirty-three", and thus it is an aban number.

Divisors: 1 109 2771844037 302131000033